3" Flanged Diaphragm Valve, UPVC/ CPVC

5 out of 5 based on 1 reviews | Write a review

$363.99

2 way PVC diaphragm valve for sale online. This plastic flanged diaphragm valve comes with PTFE diaphragm and 3 inch (DN80) flanged port for liquid and flow control in water treatment, chemical processing, pharmaceuticals and other industries, available in UPVC and CPVC body material for your applications.

Body Material *

SKU: ATO-FDV-DN80

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Delivery date: 6-12 days

Overview
Proposition 65 Warning

2 way flanged PVC diaphragm valve is a type of industrial valve used to control the flow of fluids in pipelines, especially when it is essential to prevent the fluid from coming into contact with the valve components.

Specification

Model	ATO-FDV-DN80
Size	3 inch (DN80)
Structure Type	Flanged Type
Diaphragm Valve Assembly	Parts	Material
	Diaphragm	PTFE
	Film	EPDM
	Valve Body	UPVC, CPVC
	Valve Plate	UPVC, CPVC, Steel, Stainless Steel
	Cover Limit	AS
	Stud	Steel, Stainless Steel
	Retaining Nut	FRPP
	Washer	FRPP
	Wheel	Alloy Material
	Platen	Steel, Stainless Steel
	Double-Headed Stud and Nut	Steel, Stainless Steel
	Bonnet	UPVC, CPVC
	Yoke Nut	Ht300 Steel
	Stem	Steel, Stainless Steel

Dimension (Unit: mm)

Flanged PVC diaphragm valve dimension DN15 ~ DN100

Size	Valve Body Material	d	D	L	h	n-φ
3 inch (DN80)	UPVC	160	195	300	28	8-φ18
3 inch (DN80)	CPVC	160	195	300	28	8-φ18

Note: The above dimensions are for reference only, please refer to the actual product.

Detail

Flanged diaphragm valve detail

Working Pressure

Size	Working Pressure (MPa)
	UPVC			CPVC
	20~40℃	41~60℃	61~80℃	0~40℃	41~60℃	61~90℃
1/2" (DN15)	0.8	0.8	0.7	0.7	0.7	0.6
3/4" (DN20)	0.8	0.8	0.7	0.7	0.7	0.6
1" (DN25)	0.8	0.8	0.7	0.7	0.7	0.6
1-1/4" (DN32)	0.7	0.7	0.6	0.7	0.7	0.6
1-1/2" (DN40)	0.7	0.7	0.6	0.7	0.7	0.5
2" (DN50)	0.7	0.7	0.6	0.7	0.7	0.5
2-1/2" (DN65)	0.7	0.7	0.6	0.7	0.7	0.5
3" (DN80)	0.7	0.7	0.6	0.7	0.7	0.5
4" (DN100)	0.7	0.7	0.6	0.7	0.6	0.5
5" (DN125)	0.5	0.5	0.4	0.5	0.5	0.4
6" (DN150)	0.5	0.5	0.4	0.5	0.4	0.3
8" (DN200)	0.3	0.3	0.2	0.5	0.3	0.25
10" (DN250)	0.3	0.3	0.2	0.3	0.3	0.2

Tips: How to control a PVC diaphragm valve?

Controlling a PVC diaphragm valve is a straightforward process. These valves are commonly used to regulate fluid flow in industrial and water treatment applications. To control the valve, follow these steps:

Prepare: Ensure that the valve is properly installed in the pipeline, with the inlet and outlet connections secure.
Position: Locate the valve handle or actuator, which is typically on top of the valve body. Turn the handle clockwise to close the valve and counterclockwise to open it. If the valve is actuated, follow the manufacturer's instructions to control it using a control system.
Gradual Adjustment: To control the flow rate, turn the handle or actuator gradually to the desired position. Monitor the flow and adjust as needed.
Feedback: Some diaphragm valves come with position indicators or feedback systems to show the valve's current state.
Safety: Always follow safety guidelines and wear appropriate protective equipment when working with PVC diaphragm valves.

*WARNING: This product can expose you to chemicals, including lead, which is known to the State of California to cause birth defects or other reproductive harm. For more information, go to www.P65Warnings.ca.gov.

Existing reviews of 3" Flanged Diaphragm Valve, UPVC/ CPVC

Easy Integration

We chose this 2-way diaphragm valve for our water treatment setup. The DN80 flanged connection fits our piping arrangement, and the valve is easy to incorporate into the system.

From: Linneauo | Date: 11/10/2026

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